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<div id="overview"><a href="../../../../../../api/org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.execution;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelEvent;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFuture;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelState;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelStateEvent;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channels;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.WriteCompletionEvent;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogger;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLoggerFactory;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.DefaultObjectSizeEstimator;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.ObjectSizeEstimator;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.internal.ConcurrentIdentityHashMap;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.internal.SharedResourceMisuseDetector;
<a class="jxr_linenumber" name="34" href="#34">34</a>  
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> java.lang.reflect.Method;
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> java.util.HashSet;
<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentMap;
<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.Executor;
<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors;
<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.LinkedBlockingQueue;
<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.RejectedExecutionException;
<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.RejectedExecutionHandler;
<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.ThreadFactory;
<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.ThreadPoolExecutor;
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit;
<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicLong;
<a class="jxr_linenumber" name="50" href="#50">50</a>  
<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> * A {@link ThreadPoolExecutor} which blocks the task submission when there's</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> * too many tasks in the queue.  Both per-{@link Channel} and per-{@link Executor}</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> * limitation can be applied.</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> * When a task (i.e. {@link Runnable}) is submitted,</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * {@link MemoryAwareThreadPoolExecutor} calls {@link ObjectSizeEstimator#estimateSize(Object)}</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> * to get the estimated size of the task in bytes to calculate the amount of</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment"> * memory occupied by the unprocessed tasks.</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment"> * If the total size of the unprocessed tasks exceeds either per-{@link Channel}</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment"> * or per-{@link Executor} threshold, any further {@link #execute(Runnable)}</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment"> * call will block until the tasks in the queue are processed so that the total</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment"> * size goes under the threshold.</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Using an alternative task size estimation strategy&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment"> * Although the default implementation does its best to guess the size of an</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment"> * object of unknown type, it is always good idea to to use an alternative</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment"> * {@link ObjectSizeEstimator} implementation instead of the</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment"> * {@link DefaultObjectSizeEstimator} to avoid incorrect task size calculation,</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment"> * especially when:</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment"> * &lt;ul&gt;</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment"> *   &lt;li&gt;you are using {@link MemoryAwareThreadPoolExecutor} independently from</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment"> *       {@link ExecutionHandler},&lt;/li&gt;</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment"> *   &lt;li&gt;you are submitting a task whose type is not {@link ChannelEventRunnable}, or&lt;/li&gt;</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment"> *   &lt;li&gt;the message type of the {@link MessageEvent} in the {@link ChannelEventRunnable}</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment"> *       is not {@link ChannelBuffer}.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment"> * &lt;/ul&gt;</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment"> * Here is an example that demonstrates how to implement an {@link ObjectSizeEstimator}</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment"> * which understands a user-defined object:</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment"> * public class MyRunnable implements {@link Runnable} {</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment"> *     &lt;b&gt;private final byte[] data;&lt;/b&gt;</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment"> *     public MyRunnable(byte[] data) {</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment"> *         this.data = data;</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment"> *     }</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment"> *     public void run() {</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment"> *         // Process 'data' ..</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment"> *     }</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment"> * }</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment"> * public class MyObjectSizeEstimator extends {@link DefaultObjectSizeEstimator} {</em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment"> *     {@literal @Override}</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment"> *     public int estimateSize(Object o) {</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> *         if (&lt;b&gt;o instanceof MyRunnable&lt;/b&gt;) {</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> *             &lt;b&gt;return ((MyRunnable) o).data.length + 8;&lt;/b&gt;</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> *         }</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> *         return super.estimateSize(o);</em>
<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> *     }</em>
<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * }</em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * {@link ThreadPoolExecutor} pool = new {@link MemoryAwareThreadPoolExecutor}(</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> *         16, 65536, 1048576, 30, {@link TimeUnit}.SECONDS,</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> *         &lt;b&gt;new MyObjectSizeEstimator()&lt;/b&gt;,</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> *         {@link Executors}.defaultThreadFactory());</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * &lt;b&gt;pool.execute(new MyRunnable(data));&lt;/b&gt;</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment"> * &lt;h3&gt;Event execution order&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> * Please note that this executor does not maintain the order of the</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment"> * {@link ChannelEvent}s for the same {@link Channel}.  For example,</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * you can even receive a {@code "channelClosed"} event before a</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * {@code "messageReceived"} event, as depicted by the following diagram.</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * For example, the events can be processed as depicted below:</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> *           --------------------------------&amp;gt; Timeline --------------------------------&amp;gt;</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * Thread X: --- Channel A (Event 2) --- Channel A (Event 1) ---------------------------&amp;gt;</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * Thread Y: --- Channel A (Event 3) --- Channel B (Event 2) --- Channel B (Event 3) ---&amp;gt;</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * Thread Z: --- Channel B (Event 1) --- Channel B (Event 4) --- Channel A (Event 4) ---&amp;gt;</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment"> * To maintain the event order, you must use {@link OrderedMemoryAwareThreadPoolExecutor}.</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * @apiviz.has org.jboss.netty.util.ObjectSizeEstimator oneway - -</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * @apiviz.has org.jboss.netty.handler.execution.ChannelEventRunnable oneway - - executes</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareThreadPoolExecutor</a> <strong class="jxr_keyword">extends</strong> ThreadPoolExecutor {
<a class="jxr_linenumber" name="140" href="#140">140</a> 
<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> logger =
<a class="jxr_linenumber" name="142" href="#142">142</a>         InternalLoggerFactory.getInstance(MemoryAwareThreadPoolExecutor.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="143" href="#143">143</a> 
<a class="jxr_linenumber" name="144" href="#144">144</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/util/internal/SharedResourceMisuseDetector.html">SharedResourceMisuseDetector</a> misuseDetector =
<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/util/internal/SharedResourceMisuseDetector.html">SharedResourceMisuseDetector</a>(MemoryAwareThreadPoolExecutor.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="146" href="#146">146</a> 
<a class="jxr_linenumber" name="147" href="#147">147</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a> settings;
<a class="jxr_linenumber" name="148" href="#148">148</a> 
<a class="jxr_linenumber" name="149" href="#149">149</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ConcurrentMap&lt;Channel, AtomicLong&gt; channelCounters =
<a class="jxr_linenumber" name="150" href="#150">150</a>         <strong class="jxr_keyword">new</strong> ConcurrentIdentityHashMap&lt;Channel, AtomicLong&gt;();
<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Limiter</a> totalLimiter;
<a class="jxr_linenumber" name="152" href="#152">152</a> 
<a class="jxr_linenumber" name="153" href="#153">153</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> notifyOnShutdown;
<a class="jxr_linenumber" name="154" href="#154">154</a> 
<a class="jxr_linenumber" name="155" href="#155">155</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment">     * @param corePoolSize          the maximum number of active threads</em>
<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment">     * @param maxChannelMemorySize  the maximum total size of the queued events per channel.</em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">     * @param maxTotalMemorySize    the maximum total size of the queued events for this pool</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="164" href="#164">164</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareThreadPoolExecutor</a>(
<a class="jxr_linenumber" name="165" href="#165">165</a>             <strong class="jxr_keyword">int</strong> corePoolSize, <strong class="jxr_keyword">long</strong> maxChannelMemorySize, <strong class="jxr_keyword">long</strong> maxTotalMemorySize) {
<a class="jxr_linenumber" name="166" href="#166">166</a> 
<a class="jxr_linenumber" name="167" href="#167">167</a>         <strong class="jxr_keyword">this</strong>(corePoolSize, maxChannelMemorySize, maxTotalMemorySize, 30, TimeUnit.SECONDS);
<a class="jxr_linenumber" name="168" href="#168">168</a>     }
<a class="jxr_linenumber" name="169" href="#169">169</a> 
<a class="jxr_linenumber" name="170" href="#170">170</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment">     * @param corePoolSize          the maximum number of active threads</em>
<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment">     * @param maxChannelMemorySize  the maximum total size of the queued events per channel.</em>
<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment">     * @param maxTotalMemorySize    the maximum total size of the queued events for this pool</em>
<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment">     * @param keepAliveTime         the amount of time for an inactive thread to shut itself down</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">     * @param unit                  the {@link TimeUnit} of {@code keepAliveTime}</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="181" href="#181">181</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareThreadPoolExecutor</a>(
<a class="jxr_linenumber" name="182" href="#182">182</a>             <strong class="jxr_keyword">int</strong> corePoolSize, <strong class="jxr_keyword">long</strong> maxChannelMemorySize, <strong class="jxr_keyword">long</strong> maxTotalMemorySize,
<a class="jxr_linenumber" name="183" href="#183">183</a>             <strong class="jxr_keyword">long</strong> keepAliveTime, TimeUnit unit) {
<a class="jxr_linenumber" name="184" href="#184">184</a> 
<a class="jxr_linenumber" name="185" href="#185">185</a>         <strong class="jxr_keyword">this</strong>(
<a class="jxr_linenumber" name="186" href="#186">186</a>                 corePoolSize, maxChannelMemorySize, maxTotalMemorySize, keepAliveTime, unit,
<a class="jxr_linenumber" name="187" href="#187">187</a>                 Executors.defaultThreadFactory());
<a class="jxr_linenumber" name="188" href="#188">188</a>     }
<a class="jxr_linenumber" name="189" href="#189">189</a> 
<a class="jxr_linenumber" name="190" href="#190">190</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment">     * @param corePoolSize          the maximum number of active threads</em>
<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">     * @param maxChannelMemorySize  the maximum total size of the queued events per channel.</em>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment">     * @param maxTotalMemorySize    the maximum total size of the queued events for this pool</em>
<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment">     * @param keepAliveTime         the amount of time for an inactive thread to shut itself down</em>
<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">     * @param unit                  the {@link TimeUnit} of {@code keepAliveTime}</em>
<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">     * @param threadFactory         the {@link ThreadFactory} of this pool</em>
<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="202" href="#202">202</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareThreadPoolExecutor</a>(
<a class="jxr_linenumber" name="203" href="#203">203</a>             <strong class="jxr_keyword">int</strong> corePoolSize, <strong class="jxr_keyword">long</strong> maxChannelMemorySize, <strong class="jxr_keyword">long</strong> maxTotalMemorySize,
<a class="jxr_linenumber" name="204" href="#204">204</a>             <strong class="jxr_keyword">long</strong> keepAliveTime, TimeUnit unit, ThreadFactory threadFactory) {
<a class="jxr_linenumber" name="205" href="#205">205</a> 
<a class="jxr_linenumber" name="206" href="#206">206</a>         <strong class="jxr_keyword">this</strong>(
<a class="jxr_linenumber" name="207" href="#207">207</a>                 corePoolSize, maxChannelMemorySize, maxTotalMemorySize, keepAliveTime, unit,
<a class="jxr_linenumber" name="208" href="#208">208</a>                 <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/util/DefaultObjectSizeEstimator.html">DefaultObjectSizeEstimator</a>(), threadFactory);
<a class="jxr_linenumber" name="209" href="#209">209</a>     }
<a class="jxr_linenumber" name="210" href="#210">210</a> 
<a class="jxr_linenumber" name="211" href="#211">211</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment">     * @param corePoolSize          the maximum number of active threads</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">     * @param maxChannelMemorySize  the maximum total size of the queued events per channel.</em>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment">     * @param maxTotalMemorySize    the maximum total size of the queued events for this pool</em>
<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment">     *                              Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment">     * @param keepAliveTime         the amount of time for an inactive thread to shut itself down</em>
<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment">     * @param unit                  the {@link TimeUnit} of {@code keepAliveTime}</em>
<a class="jxr_linenumber" name="221" href="#221">221</a> <em class="jxr_javadoccomment">     * @param threadFactory         the {@link ThreadFactory} of this pool</em>
<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment">     * @param objectSizeEstimator   the {@link ObjectSizeEstimator} of this pool</em>
<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="224" href="#224">224</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareThreadPoolExecutor</a>(
<a class="jxr_linenumber" name="225" href="#225">225</a>             <strong class="jxr_keyword">int</strong> corePoolSize, <strong class="jxr_keyword">long</strong> maxChannelMemorySize, <strong class="jxr_keyword">long</strong> maxTotalMemorySize,
<a class="jxr_linenumber" name="226" href="#226">226</a>             <strong class="jxr_keyword">long</strong> keepAliveTime, TimeUnit unit, <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator,
<a class="jxr_linenumber" name="227" href="#227">227</a>             ThreadFactory threadFactory) {
<a class="jxr_linenumber" name="228" href="#228">228</a> 
<a class="jxr_linenumber" name="229" href="#229">229</a>         <strong class="jxr_keyword">super</strong>(corePoolSize, corePoolSize, keepAliveTime, unit,
<a class="jxr_linenumber" name="230" href="#230">230</a>               <strong class="jxr_keyword">new</strong> LinkedBlockingQueue&lt;Runnable&gt;(), threadFactory, <strong class="jxr_keyword">new</strong> NewThreadRunsPolicy());
<a class="jxr_linenumber" name="231" href="#231">231</a> 
<a class="jxr_linenumber" name="232" href="#232">232</a>         <strong class="jxr_keyword">if</strong> (objectSizeEstimator == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="233" href="#233">233</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"objectSizeEstimator"</span>);
<a class="jxr_linenumber" name="234" href="#234">234</a>         }
<a class="jxr_linenumber" name="235" href="#235">235</a>         <strong class="jxr_keyword">if</strong> (maxChannelMemorySize &lt; 0) {
<a class="jxr_linenumber" name="236" href="#236">236</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="237" href="#237">237</a>                     <span class="jxr_string">"maxChannelMemorySize: "</span> + maxChannelMemorySize);
<a class="jxr_linenumber" name="238" href="#238">238</a>         }
<a class="jxr_linenumber" name="239" href="#239">239</a>         <strong class="jxr_keyword">if</strong> (maxTotalMemorySize &lt; 0) {
<a class="jxr_linenumber" name="240" href="#240">240</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="241" href="#241">241</a>                     <span class="jxr_string">"maxTotalMemorySize: "</span> + maxTotalMemorySize);
<a class="jxr_linenumber" name="242" href="#242">242</a>         }
<a class="jxr_linenumber" name="243" href="#243">243</a> 
<a class="jxr_linenumber" name="244" href="#244">244</a>         <em class="jxr_comment">// Call allowCoreThreadTimeOut(true) using reflection</em>
<a class="jxr_linenumber" name="245" href="#245">245</a>         <em class="jxr_comment">// because it is not supported in Java 5.</em>
<a class="jxr_linenumber" name="246" href="#246">246</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="247" href="#247">247</a>             Method m = getClass().getMethod(<span class="jxr_string">"allowCoreThreadTimeOut"</span>, <strong class="jxr_keyword">new</strong> Class[] { <strong class="jxr_keyword">boolean</strong>.<strong class="jxr_keyword">class</strong> });
<a class="jxr_linenumber" name="248" href="#248">248</a>             m.invoke(<strong class="jxr_keyword">this</strong>, Boolean.TRUE);
<a class="jxr_linenumber" name="249" href="#249">249</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="250" href="#250">250</a>             <em class="jxr_comment">// Java 5</em>
<a class="jxr_linenumber" name="251" href="#251">251</a>             logger.debug(
<a class="jxr_linenumber" name="252" href="#252">252</a>                     <span class="jxr_string">"ThreadPoolExecutor.allowCoreThreadTimeOut() is not "</span> +
<a class="jxr_linenumber" name="253" href="#253">253</a>                     <span class="jxr_string">"supported in this platform."</span>);
<a class="jxr_linenumber" name="254" href="#254">254</a>         }
<a class="jxr_linenumber" name="255" href="#255">255</a> 
<a class="jxr_linenumber" name="256" href="#256">256</a>         settings = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a>(
<a class="jxr_linenumber" name="257" href="#257">257</a>                 objectSizeEstimator, maxChannelMemorySize);
<a class="jxr_linenumber" name="258" href="#258">258</a> 
<a class="jxr_linenumber" name="259" href="#259">259</a>         <strong class="jxr_keyword">if</strong> (maxTotalMemorySize == 0) {
<a class="jxr_linenumber" name="260" href="#260">260</a>             totalLimiter = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="261" href="#261">261</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="262" href="#262">262</a>             totalLimiter = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Limiter</a>(maxTotalMemorySize);
<a class="jxr_linenumber" name="263" href="#263">263</a>         }
<a class="jxr_linenumber" name="264" href="#264">264</a> 
<a class="jxr_linenumber" name="265" href="#265">265</a>         <em class="jxr_comment">// Misuse check</em>
<a class="jxr_linenumber" name="266" href="#266">266</a>         misuseDetector.increase();
<a class="jxr_linenumber" name="267" href="#267">267</a>     }
<a class="jxr_linenumber" name="268" href="#268">268</a> 
<a class="jxr_linenumber" name="269" href="#269">269</a>     @Override
<a class="jxr_linenumber" name="270" href="#270">270</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> terminated() {
<a class="jxr_linenumber" name="271" href="#271">271</a>         <strong class="jxr_keyword">super</strong>.terminated();
<a class="jxr_linenumber" name="272" href="#272">272</a>         misuseDetector.decrease();
<a class="jxr_linenumber" name="273" href="#273">273</a>     }
<a class="jxr_linenumber" name="274" href="#274">274</a> 
<a class="jxr_linenumber" name="275" href="#275">275</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment">     * This will call {@link #shutdownNow(boolean)} with the value of {@link #getNotifyChannelFuturesOnShutdown()}.</em>
<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="278" href="#278">278</a>     @Override
<a class="jxr_linenumber" name="279" href="#279">279</a>     <strong class="jxr_keyword">public</strong> List&lt;Runnable&gt; shutdownNow() {
<a class="jxr_linenumber" name="280" href="#280">280</a>         <strong class="jxr_keyword">return</strong> shutdownNow(notifyOnShutdown);
<a class="jxr_linenumber" name="281" href="#281">281</a>     }
<a class="jxr_linenumber" name="282" href="#282">282</a> 
<a class="jxr_linenumber" name="283" href="#283">283</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="284" href="#284">284</a> <em class="jxr_javadoccomment">     * See {@link ThreadPoolExecutor#shutdownNow()} for how it handles the shutdown.</em>
<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment">     * If {@code true} is given to this method it also notifies all {@link ChannelFuture}'s</em>
<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment">     * of the not executed {@link ChannelEventRunnable}'s.</em>
<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment">     * Be aware that if you call this with {@code false} you will need to handle the</em>
<a class="jxr_linenumber" name="290" href="#290">290</a> <em class="jxr_javadoccomment">     * notification of the {@link ChannelFuture}'s by your self. So only use this if you</em>
<a class="jxr_linenumber" name="291" href="#291">291</a> <em class="jxr_javadoccomment">     * really have a use-case for it.</em>
<a class="jxr_linenumber" name="292" href="#292">292</a> <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
<a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="295" href="#295">295</a>     <strong class="jxr_keyword">public</strong> List&lt;Runnable&gt; shutdownNow(<strong class="jxr_keyword">boolean</strong> notify) {
<a class="jxr_linenumber" name="296" href="#296">296</a>         <strong class="jxr_keyword">if</strong> (!notify) {
<a class="jxr_linenumber" name="297" href="#297">297</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.shutdownNow();
<a class="jxr_linenumber" name="298" href="#298">298</a>         }
<a class="jxr_linenumber" name="299" href="#299">299</a>         Throwable cause = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="300" href="#300">300</a>         Set&lt;Channel&gt; channels = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="301" href="#301">301</a> 
<a class="jxr_linenumber" name="302" href="#302">302</a>         List&lt;Runnable&gt; tasks = <strong class="jxr_keyword">super</strong>.shutdownNow();
<a class="jxr_linenumber" name="303" href="#303">303</a> 
<a class="jxr_linenumber" name="304" href="#304">304</a>         <em class="jxr_comment">// loop over all tasks and cancel the ChannelFuture of the ChannelEventRunable's</em>
<a class="jxr_linenumber" name="305" href="#305">305</a>         <strong class="jxr_keyword">for</strong> (Runnable task: tasks) {
<a class="jxr_linenumber" name="306" href="#306">306</a>             <strong class="jxr_keyword">if</strong> (task instanceof ChannelEventRunnable) {
<a class="jxr_linenumber" name="307" href="#307">307</a>                 <strong class="jxr_keyword">if</strong> (cause == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="308" href="#308">308</a>                     cause = <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Unable to process queued event"</span>);
<a class="jxr_linenumber" name="309" href="#309">309</a>                 }
<a class="jxr_linenumber" name="310" href="#310">310</a>                 <a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> event = ((ChannelEventRunnable) task).getEvent();
<a class="jxr_linenumber" name="311" href="#311">311</a>                 event.getFuture().setFailure(cause);
<a class="jxr_linenumber" name="312" href="#312">312</a> 
<a class="jxr_linenumber" name="313" href="#313">313</a>                 <strong class="jxr_keyword">if</strong> (channels == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="314" href="#314">314</a>                     channels = <strong class="jxr_keyword">new</strong> HashSet&lt;Channel&gt;();
<a class="jxr_linenumber" name="315" href="#315">315</a>                 }
<a class="jxr_linenumber" name="316" href="#316">316</a> 
<a class="jxr_linenumber" name="317" href="#317">317</a>                 <em class="jxr_comment">// store the Channel of the event for later notification of the exceptionCaught event</em>
<a class="jxr_linenumber" name="318" href="#318">318</a>                 channels.add(event.getChannel());
<a class="jxr_linenumber" name="319" href="#319">319</a>             }
<a class="jxr_linenumber" name="320" href="#320">320</a>         }
<a class="jxr_linenumber" name="321" href="#321">321</a> 
<a class="jxr_linenumber" name="322" href="#322">322</a>         <em class="jxr_comment">// loop over all channels and fire an exceptionCaught event</em>
<a class="jxr_linenumber" name="323" href="#323">323</a>         <strong class="jxr_keyword">if</strong> (channels != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="324" href="#324">324</a>             <strong class="jxr_keyword">for</strong> (Channel channel: channels) {
<a class="jxr_linenumber" name="325" href="#325">325</a>                 Channels.fireExceptionCaughtLater(channel, cause);
<a class="jxr_linenumber" name="326" href="#326">326</a>             }
<a class="jxr_linenumber" name="327" href="#327">327</a>         }
<a class="jxr_linenumber" name="328" href="#328">328</a>         <strong class="jxr_keyword">return</strong> tasks;
<a class="jxr_linenumber" name="329" href="#329">329</a>     }
<a class="jxr_linenumber" name="330" href="#330">330</a> 
<a class="jxr_linenumber" name="331" href="#331">331</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment">     * Returns the {@link ObjectSizeEstimator} of this pool.</em>
<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="334" href="#334">334</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> getObjectSizeEstimator() {
<a class="jxr_linenumber" name="335" href="#335">335</a>         <strong class="jxr_keyword">return</strong> settings.objectSizeEstimator;
<a class="jxr_linenumber" name="336" href="#336">336</a>     }
<a class="jxr_linenumber" name="337" href="#337">337</a> 
<a class="jxr_linenumber" name="338" href="#338">338</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_javadoccomment">     * Sets the {@link ObjectSizeEstimator} of this pool.</em>
<a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="341" href="#341">341</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setObjectSizeEstimator(<a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator) {
<a class="jxr_linenumber" name="342" href="#342">342</a>         <strong class="jxr_keyword">if</strong> (objectSizeEstimator == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="343" href="#343">343</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"objectSizeEstimator"</span>);
<a class="jxr_linenumber" name="344" href="#344">344</a>         }
<a class="jxr_linenumber" name="345" href="#345">345</a> 
<a class="jxr_linenumber" name="346" href="#346">346</a>         settings = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a>(
<a class="jxr_linenumber" name="347" href="#347">347</a>                 objectSizeEstimator,
<a class="jxr_linenumber" name="348" href="#348">348</a>                 settings.maxChannelMemorySize);
<a class="jxr_linenumber" name="349" href="#349">349</a>     }
<a class="jxr_linenumber" name="350" href="#350">350</a> 
<a class="jxr_linenumber" name="351" href="#351">351</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="352" href="#352">352</a> <em class="jxr_javadoccomment">     * Returns the maximum total size of the queued events per channel.</em>
<a class="jxr_linenumber" name="353" href="#353">353</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="354" href="#354">354</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getMaxChannelMemorySize() {
<a class="jxr_linenumber" name="355" href="#355">355</a>         <strong class="jxr_keyword">return</strong> settings.maxChannelMemorySize;
<a class="jxr_linenumber" name="356" href="#356">356</a>     }
<a class="jxr_linenumber" name="357" href="#357">357</a> 
<a class="jxr_linenumber" name="358" href="#358">358</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="359" href="#359">359</a> <em class="jxr_javadoccomment">     * Sets the maximum total size of the queued events per channel.</em>
<a class="jxr_linenumber" name="360" href="#360">360</a> <em class="jxr_javadoccomment">     * Specify {@code 0} to disable.</em>
<a class="jxr_linenumber" name="361" href="#361">361</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="362" href="#362">362</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMaxChannelMemorySize(<strong class="jxr_keyword">long</strong> maxChannelMemorySize) {
<a class="jxr_linenumber" name="363" href="#363">363</a>         <strong class="jxr_keyword">if</strong> (maxChannelMemorySize &lt; 0) {
<a class="jxr_linenumber" name="364" href="#364">364</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="365" href="#365">365</a>                     <span class="jxr_string">"maxChannelMemorySize: "</span> + maxChannelMemorySize);
<a class="jxr_linenumber" name="366" href="#366">366</a>         }
<a class="jxr_linenumber" name="367" href="#367">367</a> 
<a class="jxr_linenumber" name="368" href="#368">368</a>         <strong class="jxr_keyword">if</strong> (getTaskCount() &gt; 0) {
<a class="jxr_linenumber" name="369" href="#369">369</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(
<a class="jxr_linenumber" name="370" href="#370">370</a>                     <span class="jxr_string">"can't be changed after a task is executed"</span>);
<a class="jxr_linenumber" name="371" href="#371">371</a>         }
<a class="jxr_linenumber" name="372" href="#372">372</a> 
<a class="jxr_linenumber" name="373" href="#373">373</a>         settings = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a>(
<a class="jxr_linenumber" name="374" href="#374">374</a>                 settings.objectSizeEstimator,
<a class="jxr_linenumber" name="375" href="#375">375</a>                 maxChannelMemorySize);
<a class="jxr_linenumber" name="376" href="#376">376</a>     }
<a class="jxr_linenumber" name="377" href="#377">377</a> 
<a class="jxr_linenumber" name="378" href="#378">378</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="379" href="#379">379</a> <em class="jxr_javadoccomment">     * Returns the maximum total size of the queued events for this pool.</em>
<a class="jxr_linenumber" name="380" href="#380">380</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="381" href="#381">381</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getMaxTotalMemorySize() {
<a class="jxr_linenumber" name="382" href="#382">382</a>         <strong class="jxr_keyword">if</strong> (totalLimiter == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="383" href="#383">383</a>             <strong class="jxr_keyword">return</strong> 0;
<a class="jxr_linenumber" name="384" href="#384">384</a>         }
<a class="jxr_linenumber" name="385" href="#385">385</a>         <strong class="jxr_keyword">return</strong> totalLimiter.limit;
<a class="jxr_linenumber" name="386" href="#386">386</a>     }
<a class="jxr_linenumber" name="387" href="#387">387</a> 
<a class="jxr_linenumber" name="388" href="#388">388</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="389" href="#389">389</a> <em class="jxr_javadoccomment">     * @deprecated &lt;tt&gt;maxTotalMemorySize&lt;/tt&gt; is not modifiable anymore.</em>
<a class="jxr_linenumber" name="390" href="#390">390</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="391" href="#391">391</a>     @Deprecated
<a class="jxr_linenumber" name="392" href="#392">392</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMaxTotalMemorySize(<strong class="jxr_keyword">long</strong> maxTotalMemorySize) {
<a class="jxr_linenumber" name="393" href="#393">393</a>         <strong class="jxr_keyword">if</strong> (maxTotalMemorySize &lt; 0) {
<a class="jxr_linenumber" name="394" href="#394">394</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="395" href="#395">395</a>                     <span class="jxr_string">"maxTotalMemorySize: "</span> + maxTotalMemorySize);
<a class="jxr_linenumber" name="396" href="#396">396</a>         }
<a class="jxr_linenumber" name="397" href="#397">397</a> 
<a class="jxr_linenumber" name="398" href="#398">398</a>         <strong class="jxr_keyword">if</strong> (getTaskCount() &gt; 0) {
<a class="jxr_linenumber" name="399" href="#399">399</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(
<a class="jxr_linenumber" name="400" href="#400">400</a>                     <span class="jxr_string">"can't be changed after a task is executed"</span>);
<a class="jxr_linenumber" name="401" href="#401">401</a>         }
<a class="jxr_linenumber" name="402" href="#402">402</a>     }
<a class="jxr_linenumber" name="403" href="#403">403</a> 
<a class="jxr_linenumber" name="404" href="#404">404</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="405" href="#405">405</a> <em class="jxr_javadoccomment">     * If set to {@code false} no queued {@link ChannelEventRunnable}'s {@link ChannelFuture}</em>
<a class="jxr_linenumber" name="406" href="#406">406</a> <em class="jxr_javadoccomment">     * will get notified once {@link #shutdownNow()} is called.  If set to {@code true} every</em>
<a class="jxr_linenumber" name="407" href="#407">407</a> <em class="jxr_javadoccomment">     * queued {@link ChannelEventRunnable} will get marked as failed via {@link ChannelFuture#setFailure(Throwable)}.</em>
<a class="jxr_linenumber" name="408" href="#408">408</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a class="jxr_linenumber" name="410" href="#410">410</a> <em class="jxr_javadoccomment">     * Please only set this to {@code false} if you want to handle the notification by yourself</em>
<a class="jxr_linenumber" name="411" href="#411">411</a> <em class="jxr_javadoccomment">     * and know what you are doing. Default is {@code true}.</em>
<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
<a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="414" href="#414">414</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setNotifyChannelFuturesOnShutdown(<strong class="jxr_keyword">boolean</strong> notifyOnShutdown) {
<a class="jxr_linenumber" name="415" href="#415">415</a>         <strong class="jxr_keyword">this</strong>.notifyOnShutdown = notifyOnShutdown;
<a class="jxr_linenumber" name="416" href="#416">416</a>     }
<a class="jxr_linenumber" name="417" href="#417">417</a> 
<a class="jxr_linenumber" name="418" href="#418">418</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="419" href="#419">419</a> <em class="jxr_javadoccomment">     * Returns if the {@link ChannelFuture}'s of the {@link ChannelEventRunnable}'s should be</em>
<a class="jxr_linenumber" name="420" href="#420">420</a> <em class="jxr_javadoccomment">     * notified about the shutdown of this {@link MemoryAwareThreadPoolExecutor}.</em>
<a class="jxr_linenumber" name="421" href="#421">421</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="422" href="#422">422</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> getNotifyChannelFuturesOnShutdown() {
<a class="jxr_linenumber" name="423" href="#423">423</a>         <strong class="jxr_keyword">return</strong> notifyOnShutdown;
<a class="jxr_linenumber" name="424" href="#424">424</a>     }
<a class="jxr_linenumber" name="425" href="#425">425</a> 
<a class="jxr_linenumber" name="426" href="#426">426</a>     @Override
<a class="jxr_linenumber" name="427" href="#427">427</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> execute(Runnable command) {
<a class="jxr_linenumber" name="428" href="#428">428</a>         <strong class="jxr_keyword">if</strong> (command instanceof ChannelDownstreamEventRunnable) {
<a class="jxr_linenumber" name="429" href="#429">429</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RejectedExecutionException(<span class="jxr_string">"command must be enclosed with an upstream event."</span>);
<a class="jxr_linenumber" name="430" href="#430">430</a>         }
<a class="jxr_linenumber" name="431" href="#431">431</a>         <strong class="jxr_keyword">if</strong> (!(command instanceof ChannelEventRunnable)) {
<a class="jxr_linenumber" name="432" href="#432">432</a>             command = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareRunnable</a>(command);
<a class="jxr_linenumber" name="433" href="#433">433</a>         }
<a class="jxr_linenumber" name="434" href="#434">434</a> 
<a class="jxr_linenumber" name="435" href="#435">435</a>         increaseCounter(command);
<a class="jxr_linenumber" name="436" href="#436">436</a>         doExecute(command);
<a class="jxr_linenumber" name="437" href="#437">437</a>     }
<a class="jxr_linenumber" name="438" href="#438">438</a> 
<a class="jxr_linenumber" name="439" href="#439">439</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="440" href="#440">440</a> <em class="jxr_javadoccomment">     * Put the actual execution logic here.  The default implementation simply</em>
<a class="jxr_linenumber" name="441" href="#441">441</a> <em class="jxr_javadoccomment">     * calls {@link #doUnorderedExecute(Runnable)}.</em>
<a class="jxr_linenumber" name="442" href="#442">442</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="443" href="#443">443</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> doExecute(Runnable task) {
<a class="jxr_linenumber" name="444" href="#444">444</a>         doUnorderedExecute(task);
<a class="jxr_linenumber" name="445" href="#445">445</a>     }
<a class="jxr_linenumber" name="446" href="#446">446</a> 
<a class="jxr_linenumber" name="447" href="#447">447</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="448" href="#448">448</a> <em class="jxr_javadoccomment">     * Executes the specified task without maintaining the event order.</em>
<a class="jxr_linenumber" name="449" href="#449">449</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="450" href="#450">450</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> doUnorderedExecute(Runnable task) {
<a class="jxr_linenumber" name="451" href="#451">451</a>         <strong class="jxr_keyword">super</strong>.execute(task);
<a class="jxr_linenumber" name="452" href="#452">452</a>     }
<a class="jxr_linenumber" name="453" href="#453">453</a> 
<a class="jxr_linenumber" name="454" href="#454">454</a>     @Override
<a class="jxr_linenumber" name="455" href="#455">455</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> remove(Runnable task) {
<a class="jxr_linenumber" name="456" href="#456">456</a>         <strong class="jxr_keyword">boolean</strong> removed = <strong class="jxr_keyword">super</strong>.remove(task);
<a class="jxr_linenumber" name="457" href="#457">457</a>         <strong class="jxr_keyword">if</strong> (removed) {
<a class="jxr_linenumber" name="458" href="#458">458</a>             decreaseCounter(task);
<a class="jxr_linenumber" name="459" href="#459">459</a>         }
<a class="jxr_linenumber" name="460" href="#460">460</a>         <strong class="jxr_keyword">return</strong> removed;
<a class="jxr_linenumber" name="461" href="#461">461</a>     }
<a class="jxr_linenumber" name="462" href="#462">462</a> 
<a class="jxr_linenumber" name="463" href="#463">463</a>     @Override
<a class="jxr_linenumber" name="464" href="#464">464</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> beforeExecute(Thread t, Runnable r) {
<a class="jxr_linenumber" name="465" href="#465">465</a>         <strong class="jxr_keyword">super</strong>.beforeExecute(t, r);
<a class="jxr_linenumber" name="466" href="#466">466</a>         decreaseCounter(r);
<a class="jxr_linenumber" name="467" href="#467">467</a>     }
<a class="jxr_linenumber" name="468" href="#468">468</a> 
<a class="jxr_linenumber" name="469" href="#469">469</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> increaseCounter(Runnable task) {
<a class="jxr_linenumber" name="470" href="#470">470</a>         <strong class="jxr_keyword">if</strong> (!shouldCount(task)) {
<a class="jxr_linenumber" name="471" href="#471">471</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="472" href="#472">472</a>         }
<a class="jxr_linenumber" name="473" href="#473">473</a> 
<a class="jxr_linenumber" name="474" href="#474">474</a>         <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a> settings = <strong class="jxr_keyword">this</strong>.settings;
<a class="jxr_linenumber" name="475" href="#475">475</a>         <strong class="jxr_keyword">long</strong> maxChannelMemorySize = settings.maxChannelMemorySize;
<a class="jxr_linenumber" name="476" href="#476">476</a> 
<a class="jxr_linenumber" name="477" href="#477">477</a>         <strong class="jxr_keyword">int</strong> increment = settings.objectSizeEstimator.estimateSize(task);
<a class="jxr_linenumber" name="478" href="#478">478</a> 
<a class="jxr_linenumber" name="479" href="#479">479</a>         <strong class="jxr_keyword">if</strong> (task instanceof ChannelEventRunnable) {
<a class="jxr_linenumber" name="480" href="#480">480</a>             <a href="../../../../../org/jboss/netty/handler/execution/ChannelEventRunnable.html">ChannelEventRunnable</a> eventTask = (ChannelEventRunnable) task;
<a class="jxr_linenumber" name="481" href="#481">481</a>             eventTask.estimatedSize = increment;
<a class="jxr_linenumber" name="482" href="#482">482</a>             <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel = eventTask.getEvent().getChannel();
<a class="jxr_linenumber" name="483" href="#483">483</a>             <strong class="jxr_keyword">long</strong> channelCounter = getChannelCounter(channel).addAndGet(increment);
<a class="jxr_linenumber" name="484" href="#484">484</a>             <em class="jxr_comment">//System.out.println("IC: " + channelCounter + ", " + increment);</em>
<a class="jxr_linenumber" name="485" href="#485">485</a>             <strong class="jxr_keyword">if</strong> (maxChannelMemorySize != 0 &amp;&amp; channelCounter &gt;= maxChannelMemorySize &amp;&amp; channel.isOpen()) {
<a class="jxr_linenumber" name="486" href="#486">486</a>                 <strong class="jxr_keyword">if</strong> (channel.isReadable()) {
<a class="jxr_linenumber" name="487" href="#487">487</a>                     <em class="jxr_comment">//System.out.println("UNREADABLE");</em>
<a class="jxr_linenumber" name="488" href="#488">488</a>                     <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx = eventTask.getContext();
<a class="jxr_linenumber" name="489" href="#489">489</a>                     <strong class="jxr_keyword">if</strong> (ctx.getHandler() instanceof ExecutionHandler) {
<a class="jxr_linenumber" name="490" href="#490">490</a>                         <em class="jxr_comment">// readSuspended = true;</em>
<a class="jxr_linenumber" name="491" href="#491">491</a>                         ctx.setAttachment(Boolean.TRUE);
<a class="jxr_linenumber" name="492" href="#492">492</a>                     }
<a class="jxr_linenumber" name="493" href="#493">493</a>                     channel.setReadable(false);
<a class="jxr_linenumber" name="494" href="#494">494</a>                 }
<a class="jxr_linenumber" name="495" href="#495">495</a>             }
<a class="jxr_linenumber" name="496" href="#496">496</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="497" href="#497">497</a>             ((<a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareRunnable</a>) task).estimatedSize = increment;
<a class="jxr_linenumber" name="498" href="#498">498</a>         }
<a class="jxr_linenumber" name="499" href="#499">499</a> 
<a class="jxr_linenumber" name="500" href="#500">500</a>         <strong class="jxr_keyword">if</strong> (totalLimiter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="501" href="#501">501</a>             totalLimiter.increase(increment);
<a class="jxr_linenumber" name="502" href="#502">502</a>         }
<a class="jxr_linenumber" name="503" href="#503">503</a>     }
<a class="jxr_linenumber" name="504" href="#504">504</a> 
<a class="jxr_linenumber" name="505" href="#505">505</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> decreaseCounter(Runnable task) {
<a class="jxr_linenumber" name="506" href="#506">506</a>         <strong class="jxr_keyword">if</strong> (!shouldCount(task)) {
<a class="jxr_linenumber" name="507" href="#507">507</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="508" href="#508">508</a>         }
<a class="jxr_linenumber" name="509" href="#509">509</a> 
<a class="jxr_linenumber" name="510" href="#510">510</a>         <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a> settings = <strong class="jxr_keyword">this</strong>.settings;
<a class="jxr_linenumber" name="511" href="#511">511</a>         <strong class="jxr_keyword">long</strong> maxChannelMemorySize = settings.maxChannelMemorySize;
<a class="jxr_linenumber" name="512" href="#512">512</a> 
<a class="jxr_linenumber" name="513" href="#513">513</a>         <strong class="jxr_keyword">int</strong> increment;
<a class="jxr_linenumber" name="514" href="#514">514</a>         <strong class="jxr_keyword">if</strong> (task instanceof ChannelEventRunnable) {
<a class="jxr_linenumber" name="515" href="#515">515</a>             increment = ((ChannelEventRunnable) task).estimatedSize;
<a class="jxr_linenumber" name="516" href="#516">516</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="517" href="#517">517</a>             increment = ((MemoryAwareRunnable) task).estimatedSize;
<a class="jxr_linenumber" name="518" href="#518">518</a>         }
<a class="jxr_linenumber" name="519" href="#519">519</a> 
<a class="jxr_linenumber" name="520" href="#520">520</a>         <strong class="jxr_keyword">if</strong> (totalLimiter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="521" href="#521">521</a>             totalLimiter.decrease(increment);
<a class="jxr_linenumber" name="522" href="#522">522</a>         }
<a class="jxr_linenumber" name="523" href="#523">523</a> 
<a class="jxr_linenumber" name="524" href="#524">524</a>         <strong class="jxr_keyword">if</strong> (task instanceof ChannelEventRunnable) {
<a class="jxr_linenumber" name="525" href="#525">525</a>             <a href="../../../../../org/jboss/netty/handler/execution/ChannelEventRunnable.html">ChannelEventRunnable</a> eventTask = (ChannelEventRunnable) task;
<a class="jxr_linenumber" name="526" href="#526">526</a>             <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel = eventTask.getEvent().getChannel();
<a class="jxr_linenumber" name="527" href="#527">527</a>             <strong class="jxr_keyword">long</strong> channelCounter = getChannelCounter(channel).addAndGet(-increment);
<a class="jxr_linenumber" name="528" href="#528">528</a>             <em class="jxr_comment">//System.out.println("DC: " + channelCounter + ", " + increment);</em>
<a class="jxr_linenumber" name="529" href="#529">529</a>             <strong class="jxr_keyword">if</strong> (maxChannelMemorySize != 0 &amp;&amp; channelCounter &lt; maxChannelMemorySize &amp;&amp; channel.isOpen()) {
<a class="jxr_linenumber" name="530" href="#530">530</a>                 <strong class="jxr_keyword">if</strong> (!channel.isReadable()) {
<a class="jxr_linenumber" name="531" href="#531">531</a>                     <em class="jxr_comment">//System.out.println("READABLE");</em>
<a class="jxr_linenumber" name="532" href="#532">532</a>                     <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx = eventTask.getContext();
<a class="jxr_linenumber" name="533" href="#533">533</a>                     <strong class="jxr_keyword">if</strong> (ctx.getHandler() instanceof ExecutionHandler) {
<a class="jxr_linenumber" name="534" href="#534">534</a>                         <em class="jxr_comment">// check if the attachment was set as this means that we suspend the channel</em>
<a class="jxr_linenumber" name="535" href="#535">535</a>                         <em class="jxr_comment">// from reads. This only works when this pool is used with ExecutionHandler</em>
<a class="jxr_linenumber" name="536" href="#536">536</a>                         <em class="jxr_comment">// but I guess thats good enough for us.</em>
<a class="jxr_linenumber" name="537" href="#537">537</a>                         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="538" href="#538">538</a>                         <em class="jxr_comment">// See #215</em>
<a class="jxr_linenumber" name="539" href="#539">539</a>                         <strong class="jxr_keyword">if</strong> (ctx.getAttachment() != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="540" href="#540">540</a>                             <em class="jxr_comment">// readSuspended = false;</em>
<a class="jxr_linenumber" name="541" href="#541">541</a>                             ctx.setAttachment(<strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="542" href="#542">542</a>                             channel.setReadable(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="543" href="#543">543</a>                         }
<a class="jxr_linenumber" name="544" href="#544">544</a>                     } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="545" href="#545">545</a>                         channel.setReadable(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="546" href="#546">546</a>                     }
<a class="jxr_linenumber" name="547" href="#547">547</a>                 }
<a class="jxr_linenumber" name="548" href="#548">548</a>             }
<a class="jxr_linenumber" name="549" href="#549">549</a>         }
<a class="jxr_linenumber" name="550" href="#550">550</a>     }
<a class="jxr_linenumber" name="551" href="#551">551</a> 
<a class="jxr_linenumber" name="552" href="#552">552</a>     <strong class="jxr_keyword">private</strong> AtomicLong getChannelCounter(<a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel) {
<a class="jxr_linenumber" name="553" href="#553">553</a>         AtomicLong counter = channelCounters.get(channel);
<a class="jxr_linenumber" name="554" href="#554">554</a>         <strong class="jxr_keyword">if</strong> (counter == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="555" href="#555">555</a>             counter = <strong class="jxr_keyword">new</strong> AtomicLong();
<a class="jxr_linenumber" name="556" href="#556">556</a>             AtomicLong oldCounter = channelCounters.putIfAbsent(channel, counter);
<a class="jxr_linenumber" name="557" href="#557">557</a>             <strong class="jxr_keyword">if</strong> (oldCounter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="558" href="#558">558</a>                 counter = oldCounter;
<a class="jxr_linenumber" name="559" href="#559">559</a>             }
<a class="jxr_linenumber" name="560" href="#560">560</a>         }
<a class="jxr_linenumber" name="561" href="#561">561</a> 
<a class="jxr_linenumber" name="562" href="#562">562</a>         <em class="jxr_comment">// Remove the entry when the channel closes.</em>
<a class="jxr_linenumber" name="563" href="#563">563</a>         <strong class="jxr_keyword">if</strong> (!channel.isOpen()) {
<a class="jxr_linenumber" name="564" href="#564">564</a>             channelCounters.remove(channel);
<a class="jxr_linenumber" name="565" href="#565">565</a>         }
<a class="jxr_linenumber" name="566" href="#566">566</a>         <strong class="jxr_keyword">return</strong> counter;
<a class="jxr_linenumber" name="567" href="#567">567</a>     }
<a class="jxr_linenumber" name="568" href="#568">568</a> 
<a class="jxr_linenumber" name="569" href="#569">569</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="570" href="#570">570</a> <em class="jxr_javadoccomment">     * Returns {@code true} if and only if the specified {@code task} should</em>
<a class="jxr_linenumber" name="571" href="#571">571</a> <em class="jxr_javadoccomment">     * be counted to limit the global and per-channel memory consumption.</em>
<a class="jxr_linenumber" name="572" href="#572">572</a> <em class="jxr_javadoccomment">     * To override this method, you must call {@code super.shouldCount()} to</em>
<a class="jxr_linenumber" name="573" href="#573">573</a> <em class="jxr_javadoccomment">     * make sure important tasks are not counted.</em>
<a class="jxr_linenumber" name="574" href="#574">574</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="575" href="#575">575</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> shouldCount(Runnable task) {
<a class="jxr_linenumber" name="576" href="#576">576</a>         <strong class="jxr_keyword">if</strong> (task instanceof ChannelUpstreamEventRunnable) {
<a class="jxr_linenumber" name="577" href="#577">577</a>             <a href="../../../../../org/jboss/netty/handler/execution/ChannelUpstreamEventRunnable.html">ChannelUpstreamEventRunnable</a> r = (ChannelUpstreamEventRunnable) task;
<a class="jxr_linenumber" name="578" href="#578">578</a>             <a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e = r.getEvent();
<a class="jxr_linenumber" name="579" href="#579">579</a>             <strong class="jxr_keyword">if</strong> (e instanceof WriteCompletionEvent) {
<a class="jxr_linenumber" name="580" href="#580">580</a>                 <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="581" href="#581">581</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (e instanceof ChannelStateEvent) {
<a class="jxr_linenumber" name="582" href="#582">582</a>                 <strong class="jxr_keyword">if</strong> (((ChannelStateEvent) e).getState() == ChannelState.INTEREST_OPS) {
<a class="jxr_linenumber" name="583" href="#583">583</a>                     <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="584" href="#584">584</a>                 }
<a class="jxr_linenumber" name="585" href="#585">585</a>             }
<a class="jxr_linenumber" name="586" href="#586">586</a>         }
<a class="jxr_linenumber" name="587" href="#587">587</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="588" href="#588">588</a>     }
<a class="jxr_linenumber" name="589" href="#589">589</a> 
<a class="jxr_linenumber" name="590" href="#590">590</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a> {
<a class="jxr_linenumber" name="591" href="#591">591</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator;
<a class="jxr_linenumber" name="592" href="#592">592</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> maxChannelMemorySize;
<a class="jxr_linenumber" name="593" href="#593">593</a> 
<a class="jxr_linenumber" name="594" href="#594">594</a>         <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Settings</a>(<a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator,
<a class="jxr_linenumber" name="595" href="#595">595</a>                  <strong class="jxr_keyword">long</strong> maxChannelMemorySize) {
<a class="jxr_linenumber" name="596" href="#596">596</a>             <strong class="jxr_keyword">this</strong>.objectSizeEstimator = objectSizeEstimator;
<a class="jxr_linenumber" name="597" href="#597">597</a>             <strong class="jxr_keyword">this</strong>.maxChannelMemorySize = maxChannelMemorySize;
<a class="jxr_linenumber" name="598" href="#598">598</a>         }
<a class="jxr_linenumber" name="599" href="#599">599</a>     }
<a class="jxr_linenumber" name="600" href="#600">600</a> 
<a class="jxr_linenumber" name="601" href="#601">601</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">NewThreadRunsPolicy</a> <strong class="jxr_keyword">implements</strong> RejectedExecutionHandler {
<a class="jxr_linenumber" name="602" href="#602">602</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
<a class="jxr_linenumber" name="603" href="#603">603</a>             <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="604" href="#604">604</a>                 <strong class="jxr_keyword">final</strong> Thread t = <strong class="jxr_keyword">new</strong> Thread(r, <span class="jxr_string">"Temporary task executor"</span>);
<a class="jxr_linenumber" name="605" href="#605">605</a>                 t.start();
<a class="jxr_linenumber" name="606" href="#606">606</a>             } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a class="jxr_linenumber" name="607" href="#607">607</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RejectedExecutionException(
<a class="jxr_linenumber" name="608" href="#608">608</a>                         <span class="jxr_string">"Failed to start a new thread"</span>, e);
<a class="jxr_linenumber" name="609" href="#609">609</a>             }
<a class="jxr_linenumber" name="610" href="#610">610</a>         }
<a class="jxr_linenumber" name="611" href="#611">611</a>     }
<a class="jxr_linenumber" name="612" href="#612">612</a> 
<a class="jxr_linenumber" name="613" href="#613">613</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareRunnable</a> <strong class="jxr_keyword">implements</strong> Runnable {
<a class="jxr_linenumber" name="614" href="#614">614</a>         <strong class="jxr_keyword">final</strong> Runnable task;
<a class="jxr_linenumber" name="615" href="#615">615</a>         <strong class="jxr_keyword">int</strong> estimatedSize;
<a class="jxr_linenumber" name="616" href="#616">616</a> 
<a class="jxr_linenumber" name="617" href="#617">617</a>         <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">MemoryAwareRunnable</a>(Runnable task) {
<a class="jxr_linenumber" name="618" href="#618">618</a>             <strong class="jxr_keyword">this</strong>.task = task;
<a class="jxr_linenumber" name="619" href="#619">619</a>         }
<a class="jxr_linenumber" name="620" href="#620">620</a> 
<a class="jxr_linenumber" name="621" href="#621">621</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
<a class="jxr_linenumber" name="622" href="#622">622</a>             task.run();
<a class="jxr_linenumber" name="623" href="#623">623</a>         }
<a class="jxr_linenumber" name="624" href="#624">624</a>     }
<a class="jxr_linenumber" name="625" href="#625">625</a> 
<a class="jxr_linenumber" name="626" href="#626">626</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Limiter</a> {
<a class="jxr_linenumber" name="627" href="#627">627</a> 
<a class="jxr_linenumber" name="628" href="#628">628</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> limit;
<a class="jxr_linenumber" name="629" href="#629">629</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> counter;
<a class="jxr_linenumber" name="630" href="#630">630</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> waiters;
<a class="jxr_linenumber" name="631" href="#631">631</a> 
<a class="jxr_linenumber" name="632" href="#632">632</a>         <a href="../../../../../org/jboss/netty/handler/execution/MemoryAwareThreadPoolExecutor.html">Limiter</a>(<strong class="jxr_keyword">long</strong> limit) {
<a class="jxr_linenumber" name="633" href="#633">633</a>             <strong class="jxr_keyword">this</strong>.limit = limit;
<a class="jxr_linenumber" name="634" href="#634">634</a>         }
<a class="jxr_linenumber" name="635" href="#635">635</a> 
<a class="jxr_linenumber" name="636" href="#636">636</a>         <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> increase(<strong class="jxr_keyword">long</strong> amount) {
<a class="jxr_linenumber" name="637" href="#637">637</a>             <strong class="jxr_keyword">while</strong> (counter &gt;= limit) {
<a class="jxr_linenumber" name="638" href="#638">638</a>                 waiters ++;
<a class="jxr_linenumber" name="639" href="#639">639</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="640" href="#640">640</a>                     wait();
<a class="jxr_linenumber" name="641" href="#641">641</a>                 } <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
<a class="jxr_linenumber" name="642" href="#642">642</a>                     Thread.currentThread().interrupt();
<a class="jxr_linenumber" name="643" href="#643">643</a>                 } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="644" href="#644">644</a>                     waiters --;
<a class="jxr_linenumber" name="645" href="#645">645</a>                 }
<a class="jxr_linenumber" name="646" href="#646">646</a>             }
<a class="jxr_linenumber" name="647" href="#647">647</a>             counter += amount;
<a class="jxr_linenumber" name="648" href="#648">648</a>         }
<a class="jxr_linenumber" name="649" href="#649">649</a> 
<a class="jxr_linenumber" name="650" href="#650">650</a>         <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> decrease(<strong class="jxr_keyword">long</strong> amount) {
<a class="jxr_linenumber" name="651" href="#651">651</a>             counter -= amount;
<a class="jxr_linenumber" name="652" href="#652">652</a>             <strong class="jxr_keyword">if</strong> (counter &lt; limit &amp;&amp; waiters &gt; 0) {
<a class="jxr_linenumber" name="653" href="#653">653</a>                 notifyAll();
<a class="jxr_linenumber" name="654" href="#654">654</a>             }
<a class="jxr_linenumber" name="655" href="#655">655</a>         }
<a class="jxr_linenumber" name="656" href="#656">656</a>     }
<a class="jxr_linenumber" name="657" href="#657">657</a> }
</pre>
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